http://www.bloomberg.com/news/articles/2015-04-23/flash-crash-case-exposes-resource-gap-limiting-cftc-massad-says

http://online.barrons.com/articles/goldman-buy-wyndham-options-ahead-of-earnings-1429808222

http://www.bloomberg.com/news/articles/2015-04-24/india-s-vix-set-for-record-streak-of-gains-as-stocks-extend-loss

http://www.wsj.com/articles/flash-crash-trader-it-was-wits-not-bits-1429813185?tesla=y

http://www.reuters.com/article/2015/04/23/us-flashcrash-trader-rjobrien-idUSKBN0NE27820150423

http://leaprate.com/2015/04/cftc-hits-deutsche-bank-for-largest-fine-in-history-taking-total-penalty-to-2-5-billion/

http://blogs.wsj.com/moneybeat/2015/04/23/options-traders-see-another-big-move-ahead-for-pandora/

http://www.marketwatch.com/story/the-flash-crash-guy-is-not-the-problem-2015-04-23

http://www.chicagobusiness.com/article/20150422/NEWS01/150429897/roots-of-flash-crash-go-back-further-than-you-thought-at-cme

http://www.reuters.com/article/2015/04/23/us-flashcrash-trader-cme-analysis-idUSKBN0NE00P20150423

http://www.reuters.com/article/2015/04/22/flashcrash-trader-cme-idUSL1N0XJ2DP20150422

http://www.bloomberg.com/news/articles/2015-04-22/omega-sees-stock-bull-market-lasting-longer-than-one-year